Topics tagged with 'Science'
Study suggests rise in global photosynthesis rate due to increase in carbon dioxide has slowed
15 Aug 2023
A team of Earth scientists has found evidence that the rise in photosynthesis rates around the world caused by the increase of carbon dioxide, has slowed dramatically.
Can vacuums slow global warming? Biden administration bets $1.2 billion on it
14 Aug 2023
Texas and Louisiana will become a global testing ground for giant machines that suck carbon from the air.
Why this startup is covering the ocean with wooden balls
11 Aug 2023
The climate tech startup Running Tide has a unique approach to carbon removal that involves wood waste, seaweed, and the deep ocean.
Floating solar near the equator could power the world
11 Aug 2023
Researchers in Australia suggest that floating solar on parts of the ocean near the Equator could power the entire world several times over.
New study: nitrogen runoff strategies complicated by climate change
10 Aug 2023
As climate change progresses, rising temperatures may impact nitrogen runoff from land to lakes and streams more than projected increases in total and extreme precipitation for most of the continental United States.
Ancient lake microbes caused global warming during ice age
9 Aug 2023
Global warming is not just a modern issue, but has occurred numerous times over Earth's history, with one event happening 304 million years ago during the Late Paleozoic Ice Age.
More efficient than natural photosynthesis – new photocatalytic system converts carbon dioxide into valuable fuel
9 Aug 2023
A joint research team from the City University of Hong Kong and collaborators recently developed a stable artificial photocatalytic system that is more efficient than natural photosynthesis.
‘Virtually certain’ extreme Antarctic events will get worse without drastic action, scientists warn
9 Aug 2023
Record low sea ice levels, the collapse of ice shelves, and surface temperatures 38.5C above average cited as concerns in new review.
How to maximise mangroves as climate and community solution
9 Aug 2023
Mangroves’ capacity to store up to five times more carbon than upland tropical forests — makes them a powerful natural solution for reducing greenhouse gas emissions.
Ocean heat record broken, with grim implications for the planet
7 Aug 2023
The oceans have hit their hottest ever recorded temperature as they soak up warmth from climate change, with dire implications for our planet's health.
NZ needs better emissions data: research
3 Aug 2023
New research shows that New Zealand isn't doing enough to keep track of greenhouse gas emissions and climate change mitigation, with lacking data and modelling capacity in some sectors.
Auckland researchers get funding to test "cool roofs" in climate hot spots
3 Aug 2023
A trial led by Auckland scientists to test "cool roofs" in countries vulnerable to climate heating has received a massive boost, with funding from a $37 million pool.
Climate change made July hotter for 80% of humans on Earth
3 Aug 2023
Human-caused global warming made July hotter for four out of five people on Earth, with more than two billion people feeling climate change-boosted warmth daily, according to a flash study.
Cost pressures “intensifying” for Environment Commission
2 Aug 2023
The Parliamentary Commissioner for the Environment, Simon Upton, says his office will likely need more funding soon.
Greenland ice sheets are weaker to climate change than we thought
1 Aug 2023
A new study suggests the ice sheets could be much more sensitive to human-driven climate change than previously estimated.
Effects of climate change increasing in Asia, WMO says
28 Jul 2023
Extreme weather events caused by climate change are on the rise in Asia and bound to affect food security and the continent's ecosystems, the World Meteorological Organization said.
Sucking CO2 out of the atmosphere can’t undo all the effects of climate change
28 Jul 2023
Climate change turns more places into deserts. Sucking CO2 out of the air can’t undo all the damage.
IPCC: Scottish professor to lead top global climate body
27 Jul 2023
A Scottish scientist has been chosen to lead one of the world's most influential climate change bodies.
Vital Atlantic Ocean current could collapse as soon as 2025
26 Jul 2023
A study warns that the Atlantic meridional overturning circulation is close to a tipping point that would severely disrupt the climate – but other researchers say the timing is impossible to predict.
New scientific report identifies "the fingerprints of climate change"
26 Jul 2023
The fingerprints of climate change are all over the intense heat waves gripping the globe this month, an international study has found.
Antarctic sea ice levels dive in 'five-sigma event', as experts flag worsening consequences for planet
25 Jul 2023
This winter has confirmed what scientists had feared — the sea ice around Antarctica is in sharp decline, with experts now concerned it may not recover.
New machine learning-based model boosting Africa's preparedness climate change
24 Jul 2023
Scientists have unveiled a first-ever weather forecasting model using artificial intelligence and machine learning solutions to help vulnerable African countries build resilience to climate impacts.
Scientists unveil the key site that shows we’re in a new climate epoch
20 Jul 2023
The holy grail for understanding the start of the Anthropocene lies at the bottom of a lake in Canada.
Deep sea mining can have detrimental long-term impacts: new research
19 Jul 2023
A deep sea mining test that lasted just two hours may have reduced fish and shrimp populations in the surrounding area a year after the event, according to international research.
Research into biofilters to cut agricultural methane
18 Jul 2023
Researchers in the South Island are looking at on-farm biofilters to convert potent agricultural methane into carbon dioxide - a much less potent gas in terms of global heating.
‘Things don’t always change in a nice, gradual way’
17 Jul 2023
Climate change feels more real now than ever and it’s getting hard to keep track of all the overlapping climate disasters.
Scientists call on govt to develop climate-friendly national food strategy
13 Jul 2023
The directors of six National Science Challenges are joining calls to the government to develop a national food strategy for New Zealand - one that will help reduce emissions as well as increase resilience to the climate crisis.
Oceans are turning greener due to climate change
13 Jul 2023
More than half of the world’s oceans have become greener in the past 20 years, probably because of global warming.
Global temperature rises in steps – here’s why we can expect a steep climb this year and next
12 Jul 2023
By Kevin Trenberth | Global warming took off in the mid-1970s when the rise in global mean surface temperature exceeded natural variability.
Climate researchers look for answers in the deep ocean
12 Jul 2023
Scientists are using four autonomous robots at depths of up to 6 km along the Kermadec Trench, in the southwest Pacific, to research how climate change is affecting deep ocean processes.
Turbulence has increased with climate change since 1979 - study
10 Jul 2023
Fasten your seat belts and get ready for yet another potential impact of climate change: bumpier airplane rides.
Seaweed may not be the climate solution we hoped for
5 Jul 2023
To sink just 1 gigaton of carbon emissions a year, recent simulations suggest massive seaweed farms would have to cover 1 million square kilometers of the ocean's most productive areas.
Improving soil could keep world within 1.5C heating target, research suggests
5 Jul 2023
Marginal improvements to agricultural soils around the world would store enough carbon to keep the world within 1.5C of global heating, new research suggests.
Govt funds research into microalgae as low carbon protein
4 Jul 2023
The government is funding research into native microalgae as a low-carbon protein, which it hopes could lead the way for an entirely new food industry at the same time as capturing carbon.
Asparagopsis seaweed: scientists call for stricter oversight in livestock sector
4 Jul 2023
Safety concerns have been raised about the native seaweed asparagopsis, which is now being commercialised to help farmers reduce methane emissions in sheep and cattle.
Could El Niño cause Earth’s warmest year ever?
30 Jun 2023
Media release - NIWA - Over the past three years, you may have heard about the rare ‘triple-dip’ La Niña that had its hands on the steering wheel of Mother Nature’s car.
Climate crisis linked to rising domestic violence in south Asia
30 Jun 2023
As deadly heatwaves sweep through cities in India, China, the US and Europe amid the climate crisis, new research has found that rising temperatures are associated with a substantial rise in domestic violence against women.
Climate change is turning snow to rain and raising risk of floods
30 Jun 2023
Warmer temperatures increase the amount of precipitation that falls as rain instead of snow, leading to more extreme rainfall in snowy places.
China’s solar is now at twice the capacity of its coal power – report
30 Jun 2023
Solar is growing at 33.7% year-on-year and is now at twice the capacity of coal power in China, according to a new report.
Big herbivores could help save the tundra from rising heat and shrinking ice—if they can survive themselves
29 Jun 2023
Scientists in Greenland found that tundra vegetation fares better when caribou and muskoxen are around to dine on encroaching, heat-loving shrubs.
Scientists researching cloud brightening in bid to cool Great Barrier Reef
28 Jun 2023
Queensland scientists who have been altering clouds with tiny particles to try and limit the effects of global warming are presenting their findings for the first time this week.
Marine heatwaves worsening: new research
27 Jun 2023
Researchers are calling for better monitoring of Aotearoa’s near-shore coastal ecosystems, with marine heatwaves growing more extreme, leading to more severe impacts.
Solar-powered fuel cell recycles plastic waste and carbon dioxide
22 Jun 2023
By combining a solar fuel cell that converts carbon dioxide into fuel with a plastic recycling system, researchers can create sustainable fuels and useful chemicals.
Best by the rest...
16 Jun 2023
In our weekly round-up of the best climate coverage in local media: Antarctic tipping points: the irreversible changes to come if we fail to keep warming below 2℃, climate change minister says NZ must pick a team; and warming seas threaten Māori food sources.
New indicators will track climate change between IPCC reports
16 Jun 2023
The latest assessment of the climate system paints a stark picture of how human activity has led to unprecedented changes across the climate system.
New research looks at methane-munching microorganisms in forest soils
15 Jun 2023
Scientists are working on new research into how much methane is consumed by microorganisms in New Zealand’s planted forest soils - and what potential these soils have to counteract the country’s outsized agricultural emissions.
North Atlantic temperature anomaly sparks concern among climate scientists
15 Jun 2023
The combination of long-term ocean warming from human emissions plus short-term natural variation is thought to be responsible.
Blue carbon: could a solution to the climate challenge be buried in the depths of fiords?
12 Jun 2023
The Conversation - Cyclone Gabrielle has highlighted forestry slash as a problematic aspect of relying on plantation forests to draw down carbon dioxide (CO₂) from the atmosphere.
Climate change is causing more turbulence on flights, say scientists
12 Jun 2023
Clear-air turbulence was long predicted to increase under climate change, but a new study from Reading University has painted the most detailed picture yet of the effects kicking in.
Saving tigers helped reduce India’s carbon emissions
12 Jun 2023
Research shows that tiger conservation interventions prevented forest loss, leading to reduced emissions and ecosystem benefits.
Hutt City Council slashes gas emissions
Today 11:00am
By Shannon Morris-Williams | Hutt City Council is set to cut its gas emissions by 60% by 2026 as it speeds up phasing out fossil fuels from public facilities.
Carbon price drops, now trading 30% below auction floor
Today 11:00am
By Liz Kivi | Secondary carbon market prices took a sharp downward turn last week, with traders blaming a continued lack of interest from buyers.
NZ’s government wants tourism to drive economic growth – but how will it deal with aviation emissions?
22 Oct 2025
By Robert McLachlan, Te Kunenga ki Pūrehuroa – Massey University | Following a brief dip during the COVID pandemic, aviation is back in a growth phase.
Air NZ inks deal for its first internationally verified carbon credits
9 Oct 2025
By Liz Kivi | Air New Zealand has committed to buying 8000 tonnes of carbon removals by 2030, in partnership with local native forest investment platform My Native Forest.
Celebrities slam mining plans
Tue 28 Oct 2025
Actor Sam Neill has slammed plans for a gold mine in Otago, while Denniston Rose author Jenny Pattrick is backing a petition that would stop a coalmine on the West Coast.
Govt launches strategy backing wood-based heat sector
23 Oct 2025
By Pattrick Smellie | Forestry biomass could replace as much as 40% of fossil fuel-generated process heat by 2050, but access to supply, regulatory settings and business cases for converting to wood-based heat sources are required, the Government says in a series of documents released yesterday.
Taxonomy seen as key to shaping NZ’s voluntary nature credit market
Thu 30 Oct 2025
By Shannon Morris-Williams | Experts say aligning the New Zealand Sustainable Finance Taxonomy with the development of voluntary nature credit markets could strengthen credibility, streamline investment, and support high-integrity environmental outcomes.
Devastation on repeat: How climate change is worsening Pakistan's deadly floods
Today 11:00am
Rescuers and relatives searched knee-deep in water for the body of one-year-old Zara. She'd been swept away by flash floods; the bodies of her parents and three siblings had already been found days earlier.
‘Plain old dull’: NZU market continues to limp sideways
24 Oct 2025
By Liz Kivi | The NZU market has been “plain old dull” in recent months, with activity driven mainly by credit opportunities or a specific need to raise cash, according to Lizzie Chambers of trading platform Carbon Match.
Scrutiny on energy security
Today 11:00am
A special debate in Parliament put the Government’s energy security agenda under scrutiny, with parties splitting sharply over the role of gas, the place of an LNG import terminal, and how far to push market reform to ease pressure on power bills.
'Little to be hopeful about' – NZ scientists caution ahead of COP30
Fri 31 Oct 2025
By Shannon Morris-Williams | Record heat, worsening climate impacts and global backsliding on emission reduction commitments have left some New Zealand climate experts with little optimism as COP30 approaches.
$235 billion worth of NZ buildings exposed to flooding
Thu 30 Oct 2025
More than 750,000 New Zealanders live in locations exposed to one-in-100-year floods, according to a nationwide study which shows escalating flood risk.
No high-level US representatives will go to UN climate talks, Trump officials say
Today 11:00am
Decision to stay away from Cop30 meeting in Brazil underscores administration’s hostility to climate action.
All carrot, no stick for farmers on methane
17 Oct 2025
By Pattrick Smellie | COMMENT: The abandonment of methane emissions pricing and the adoption of a weaker target is effectively the last nail in the coffin of the historic cross-parliamentary consensus embedded in the Zero Carbon Act 2019.
Lake Onslow battery project set for revival?
Wed 29 Oct 2025
A newly formed private consortium has emerged with plans to finance and build the massive Lake Onslow pumped-hydro project, despite the coalition government’s decision to abandon the scheme.
From nuisance to crisis: New report on pest wasps In Aotearoa
24 Sep 2025
Media release: Moths and Butterflies NZ Trust | Just published is the Final Report of the Pest Wasps Survey carried out by the Moths and Butterflies of NZ Trust (MBNZT) offering a comprehensive look at New Zealanders’ awareness, experiences, and attitudes toward wasps and the growing ecological, health, and social issues associated with them.
Hawke’s Bay Regional Council welcomes new flood data
Today 11:00am
Media release | Hawke’s Bay Regional Council welcomes the release of the National Flood Tool and accompanying data by Earth Sciences New Zealand. This is an important contribution to understanding the impacts of climate change for New Zealand.
NZ marine heatwaves could double in intensity under high-emissions pathway
16 Oct 2025
By Shannon Morris-Williams | New projections show marine heatwaves will grow more intense around the North Island and more frequent around the South Island as the climate warms – raising risks for fisheries, aquaculture, coastal ecosystems and tourism.
Media round-up
Fri 31 Oct 2025
In our round-up of climate coverage in local media: A controversial seabed mining project could lead to sediment flows knocking over rigs and damaging wind turbines; weather-related insurance claims climb; and is the government playing Russian Roulette with our future over methane targets?
RMA to speed up fossil fuel consents
18 Aug 2025
By Liz Kivi | An energy lobby group has welcomed a last-minute amendment to the RMA that puts fossil fuels on the same footing as renewables, however a sustainable energy expert says the move “beggars belief.”
Developing countries will need US$310 billion annually for climate adaptation by 2035
Fri 31 Oct 2025
Media release - UN Environment Programme: Slow climate adaptation is threatening lives and economies.
No major banks have yet committed to stop funding new oil, gas and coal, research finds
24 Oct 2025
‘The objectives of the Paris agreement are slipping further out of reach,’ say researchers.
Look out for these 8 big ag greenwashing terms at COP30
Tue 28 Oct 2025
Food and farming companies will claim agriculture is the solution to the climate crisis at the Brazil summit — even though food drives a third of global warming.
Coal imports up 650%
12 Sep 2025
By Shannon Morris-Williams and Liz Kivi | Coal imports are up 650% as generators stockpile the most polluting fossil fuel ahead of next winter.
Hiringa eyes green methanol plant near Whanganui
29 Jul 2025
By Pattrick Smellie | Green hydrogen pioneer Hiringa Energy is deep in planning to develop an “eight-to-nine figure” methanol plant near Whanganui, using a combination of biomass and hydrogen produced using renewable energy.
Vero warns losses to rise 26% by 2050 over extreme weather
Wed 29 Oct 2025
By Shannon Morris-Williams | Extreme weather could drive a 19–26% spike in annual insurance losses by 2050, fuelled by rising seas and more intense flooding, according to Vero’s latest Climate-Related Disclosures Report.
Will NZ walk away from the Paris Agreement?
20 Dec 2024
By Geoff Bertram | COMMENT: Unless the government can find very cheap offshore mitigation, the temptation to walk away from its Paris Agreement obligations may well be too strong to resist for a coalition government focused on fiscal austerity.
Judge says Greenpeace must pay $345 million in pipeline lawsuit, cutting jury amount nearly in half
Fri 31 Oct 2025
A North Dakota judge has ordered Greenpeace to pay damages of $345 million, reducing an earlier jury award after it found the environmental group and related entities liable for defamation and other claims in connection with protests of an oil pipeline nearly a decade ago.
Nelson commuters urged to ditch car once a week
22 Oct 2025
By Max Frethey, Local Democracy Reporter | Nelson has a bold carbon emission reduction target and residents are being encouraged to leave the car at home one day a week to help meet it.
Global oil demand won't peak until 2032, Wood Mackenzie report says
Fri 31 Oct 2025
“Global oil demand will not peak until 2032, two years later than earlier thought, consultancy Wood Mackenzie said in a report on Wednesday that blames continued momentum in the use of hydrocarbons for transport and petrochemicals.”
Govt ‘captured by industry’ on methane – Carr
21 Oct 2025
By Liz Kivi | Former Climate Change Commission chair Rod Carr says that recent moves to weaken methane targets and halt plans for agricultural emissions pricing show the Government has been captured by industry.
NZ's latest climate target 'weak' – Climate Action Tracker
24 Jun 2025
By Shannon Morris-Williams | New Zealand's new international climate target to 2035 is weak, and could even allow for higher emissions than the 2030 target, according to a global scientific project that tracks government climate action.
Climate impacts hit NZ with increasing wild weather
23 Oct 2025
By Liz Kivi | New Zealand is facing a triple whammy of climate impacts today, with severe winds and rainfall predicted for much of the country while some areas are still dealing with wildfires ignited earlier in the week.
Ardern: 'We must not give up on 1.5'
Fri 31 Oct 2025
By Shannon Morris-Williams | Former prime minister Dame Jacinda Ardern says the world must not abandon the Paris Agreement’s 1.5°C goal, warning that a decade on from COP21 “too many of the debates we thought were settled are still being had.”
Carbon Finance Program upscales efforts to close climate investment gap in climate vulnerable nations
22 Oct 2025
Media release | The Climate Vulnerable Forum and its V20 Finance Ministers (CVF-V20) will work with the Voluntary Carbon Markets Integrity Initiative (VCMI) to upscale the Carbon Finance Program in reach and impact, supporting more climate-vulnerable countries to host high-integrity carbon projects that yield tangible climate, nature, and sustainable development benefits.
Lobby group launches ‘blueprint’ for ocean management reform
18 Sep 2025
The Environmental Defence Society yesterday released its plan to tackle widespread ecological decline in our oceans.
Experts warn new science curriculum sidelines climate urgency
Today 11:00am
Climate change education has been pushed too late and too lightly in the Government’s draft science curriculum, experts say, with students not formally learning about climate change until Year 10.
Judge dismisses suit by young climate activists against Trump’s pro-fossil fuel policies
17 Oct 2025
Plaintiffs had ‘overwhelming evidence’ of climate crisis but a court injunction would be ‘unworkable’, ruling says.
Straterra has a new name: the New Zealand Minerals Council
16 Apr 2025
Media release | Straterra has been renamed as New Zealand Minerals Council, says chief executive Josie Vidal.
The Yangtze River is becoming the world’s largest electrified trade corridor
Thu 30 Oct 2025
The Gezhouba, a new 13,000-ton all-electric bulk carrier launched in Yichang, is more than a technical milestone. It is a sign that the electrification of inland shipping is moving from concept to inevitability.
Solar households to get little-noticed tax break
23 Sep 2025
A provision in the government’s latest tax bill would exempt households from paying tax on income they earn by selling excess electricity back to the grid.
Climate scientists and republican lawyers are taking aim at Big Tech’s emissions
17 Oct 2025
Technology companies have long been one of the biggest investors in clean energy, but new accounting rules could upend that.
Last minute change to oil and gas legislation over cleanup costs
31 Jul 2025
By Liz Kivi | The government is expected to repeal the oil and gas ban today, with a last-minute amendment handing discretionary power to two ministers over the controversial issue of decommissioning.
How ‘vehicle-to-grid’ technology could boost China’s electricity system
Fri 31 Oct 2025
China’s surging electric vehicles ownership – now exceeding 25.5m – is opening the door to a new technology that can help to enhance the flexibility of electricity supply.
Fix it, don't ditch it: University of Auckland hosts first Repair Cafe
9 Oct 2025
Media release - Auckland University | The University's first-ever Repair Cafe is bringing students and staff together to give broken items a new lease on life, while promoting a culture of repair and reuse.
Council buys dairy farm to help clean up Lake Rotorua
21 Oct 2025
Bay of Plenty Regional Council has bought a 266-hectare dairy farm in the Lake Rotorua catchment and plans to retire it from production to reduce nitrogen entering the lake.
Adaptation plan at odds with public sentiment: survey
21 Oct 2025
By Liz Kivi | The Government’s position on climate adaptation buyouts shows a disconnect with public opinion, according to survey findings from insurer Suncorp NZ.
‘Damp squib’ – Govt energy plan slammed for locking in fossil fuels
2 Oct 2025
By Shannon Morris-Williams | Critics across business, climate groups and the opposition say the Government’s electricity reforms duck structural change, double down on LNG and gas, and offer little relief for soaring power prices – warning of an “expensive white elephant", deeper energy poverty and a missed chance to scale renewables.
